Russian Puzzle Cube [Large Square Tube Variation] Secured with square bands

The completed model assembled and secured with 6 square bands. This is a very tight fit model. The 6 modules are from 3x1 rectangles cut out from a 17.5cm square [17.5cm x 5.833cm] and the 6 Square bands are from 5x1 rectangles cut out from a 15cm square [15cm x 3cm] each. No glue.

Done